Make My Own Fiberglass Lam

andrianyuga · July 05, 2017, 02:07:00 PM

Hi Everyone...

I started building this, past 6 month ago..the issues is hard getting Gordon Glass, Bearpaw glass or other bow backing products in my country...online purchase its not solving whole issues when your local customer wants good bows with cheap cost ..

In here..Local Handmade traditional bows sale about $ 150 - 200...Imported products sale about $ 350 - 600

So i started to make my own fiberglass to reduce production cost..this simple fiberglass making based on Poltrusion procces..but still homemade :D

Molding, lenght 1 meter, width 4,5 cm, depth 1 cm

Moulding Tensioner

Arrange 3 cm nails
4 pcs Horizontal, 5 pcs vertical

Put mold release wax on main surface and side

I use unidirectional fiber roving like this

Getting started put roving on the mold

After 20 min works

andrianyuga · July 05, 2017, 03:13:00 PM

1. Clear Resin ( local common name Resin CMX type )
2. Catalyst
3. Styrene monomer
4. Grooving tools

Mixing Ratio :

- Half cup of glass ( 120 ml )
- 1 table spoon styrene
- 5 - 6 drops catalyst

based from above..you able to works 2 fiberglass strips

After Mixed

Work first inner of roving layer, to avoid dry spot..dont forget to loose molding tension before

And then, pour the resin outer roving surface

Grooving with 1 hour working time before resin getting cured

and after it..make sure there's no dry spot or bubble trap

To avoid resin waste left on the mold, i use hairdryer and grooving with flat surface tool, look at resin waste on top

Buemaker · July 05, 2017, 05:27:00 PM

Very interesting. Let us see the rest.

Mad Max · July 05, 2017, 05:38:00 PM

Yea

mwosborn · July 05, 2017, 06:48:00 PM

Wow. Makes me grateful that my glass is only one quick click away!

Roy from Pa · July 05, 2017, 06:55:00 PM

Yup, I get all my glass from Mr. McKenzie.

Bvas · July 05, 2017, 07:13:00 PM

QuoteOriginally posted by Roy from Pa:
Yup, I get all my glass from Mr. McKenzie.

What the????

macbow · July 05, 2017, 08:32:00 PM

WoW,, good work.

Roy has been into glass for a long time. Longnecks.

monterey · July 05, 2017, 09:34:00 PM

QuoteOriginally posted by macbow:
WoW,, good work.

Roy has been into glass for a long time. Longnecks.

andrianyuga · July 06, 2017, 12:28:00 AM

I put the pressure board on top, and pressed with inner tube band, and tighten the tensioner before
Let it dry in direct sunlight for 4 - 6 hours

during drying procces, you can see resin waste squeezing out

open the pressure board carefully, actually there's no little black spot on it, that's my camera :D

Cut here

carefully released from the mold

And the results of homemade fiberglass Lam

Holm-Made · July 06, 2017, 01:20:00 AM

Amazing.

Once the word gets out n this Ol' Kenny will be looking for new employment again. LOL

andrianyuga · July 06, 2017, 01:20:00 AM

Here's the Bows

Black glass on Tatar Bows

White Glass on Turkish Bows

Clear on One piece recurve

Roy from Pa · July 06, 2017, 06:51:00 AM

Nice work.

All right Mac, LOL.

Robertfishes · July 06, 2017, 08:54:00 AM

Very nice bows, thanks for sharing the pictures of your fiberglass production.

rainman · July 06, 2017, 05:58:00 PM

Very informative, and imaginative.

monterey · July 06, 2017, 07:19:00 PM

Very interesting and intriguing. Now I'll end up tripling my glass cost trying to make it.

bjansen · July 06, 2017, 10:41:00 PM

I am very impressed Great job

July 07, 2017, 12:06:00 AM

Pretty cool technique you have got there... Nice looking bows also...

andrianyuga · July 07, 2017, 12:26:00 AM

QuoteOriginally posted by Roy from Pa:
Nice work.

All right Mac, LOL.

thanks.. :D

andrianyuga · July 07, 2017, 12:28:00 AM

QuoteOriginally posted by Shredd:
Pretty cool technique you have got there... Nice looking bows also...

thikness result is 1.4 mm..must be into drum sander to get 1.2 mm or 1 mm